# ISO/TS 12208:2011 — Withdrawn and superseded ISO standards

For ISO/TS 12208:2011, item title is Space systems — Space environment (natural and artificial) - Observed proton fluences over long duration at GEO and guideline for selection of confidence level in statistical model of solar proton fluences; status code is 9599; successor is ISO 12208:2015; withdrawn / published date is 2011-09-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 12208:2011 _(verified: appears in the quote below)_
- **Item title:** Space systems — Space environment (natural and artificial) - Observed proton fluences over long duration at GEO and guideline for selection of confidence level in statistical model of solar proton fluences _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 12208:2015
- **Withdrawn / published date:** 2011-09-21 _(verified: appears in the quote below)_

## What the source says

> 51278,TS,,ISO/TS 12208:2011,Space systems — Space environment (natural and artificial) - Observed proton fluences over long duration at GEO and guideline for selection of confidence level in statistical model of solar proton fluences,Systèmes spatiaux — Environnement spatial (naturel et artificiel) — Fluences de protons observées sur une longue durée au GEO et ligne directrice pour la sélection du niveau de confiance dans le modèle statistique des fluences de protons solaires,2011-09-21,1,['49.140'],ISO/TC 20/SC 14,9599,,[68152],['en'],10,"<p>ISO/TS 12208:2011 describes a method to estimate energetic proton fluences in geosynchronous earth orbit (GEO) over a long duration (beyond the 11-year

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).